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usbip:usbip_common.c: check return value of sscanf 

Added code to check return value of sscanf.

Signed-off-by: John de la Garza <john@jjdev.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
John de la Garza 2014-03-06 15:51:59 -08:00 committed by Greg Kroah-Hartman
parent d2b7f4c429
commit bf988c16a3
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/usbip/usbip_common.c
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@ -55,7 +55,8 @@ static ssize_t usbip_debug_store(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
sscanf(buf, "%lx", &usbip_debug_flag);
if (sscanf(buf, "%lx", &usbip_debug_flag) != 1)
return -EINVAL;
return count;
}
DEVICE_ATTR_RW(usbip_debug);